Disease or Syndrome
Rieger syndrome
Definitions related to rieger syndrome:
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(rieger anomaly) A congenital malformation of the anterior segment characterized by iridicorneal malformation, glaucoma, iris stroma hypoplasia, posterior embryotoxon, and corneal opacities.Human Phenotype Ontology (HPO)The Human Phenotype Ontology Project, 2021
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A congenital condition associated with mutation(s) in the PITX2 and/or FOXC1 genes, encoding pituitary homeobox 2 and forkhead box protein C1, respectively. The condition is characterized by anterior segment dysgenesis of the eye(s), iris and corneal anomalies, glaucoma, craniofacial anomalies, hypodontia, and pituitary hypoplasia with hypopituitarism, and hypospadius.NCI ThesaurusU.S. National Cancer Institute, 2021
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Axenfeld-Rieger syndrome is primarily an eye disorder, although it can also affect other parts of the body. This condition is characterized by abnormalities of the front part of the eye, an area known as the anterior segment. For example, the colored part of the eye (the iris), may be thin or poorly developed. The iris normally has a single central hole, called the pupil, through which light enters the eye. People with Axenfeld-Rieger syndrome often have a pupil that is off-center (corectopia) or extra holes in the iris that can look like multiple pupils (polycoria). This condition can also cause abnormalities of the cornea, which is the clear front covering of the eye. About half of affected individuals develop glaucoma, a serious condition that increases pressure inside the eye. When glaucoma occurs with Axenfeld-Rieger syndrome, it most often develops in late childhood or adolescence, although it can occur as early as infancy. Glaucoma can cause vision loss or blindness. The signs and symptoms of Axenfeld-Rieger syndrome can also affect other parts of the body. Many affected individuals have distinctive facial features such as widely spaced eyes (hypertelorism); a flattened mid-face with a broad, flat nasal bridge; and a prominent forehead. The condition is also associated with dental abnormalities including unusually small teeth (microdontia) or fewer than normal teeth (oligodontia). Some people with Axenfeld-Rieger syndrome have extra folds of skin around...MedlinePlus GeneticsU.S. National Library of Medicine, 2021
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